Home / 42,373.48-63,549.49-17,420.42

Finding the Fourth Proportional to 42,373.48, 63,549.49 and 17,420.42

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Solution

The fourth proportional to 42,373.48, 63,549.49 and 17,420.42 is: 26,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373.48 : 63,549.49 = 17,420.42 : x
  2. Step 2: Convert to fraction form
    42,373.48/63,549.49 = 17,420.42/x
  3. Step 3: Cross multiply
    42,373.48x = 63,549.49 × 17,420.42
  4. Step 4: Simplify right side
    42,373.48x = 1,107,058,806.59
  5. Step 5: Solve for x
    x = 1,107,058,806.59/42,373.48
  6. Step 6: Final answer
    x = 26,126.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.